Menstruation Flashcards
What two ovarian hormones play a major role in the menstrual cycle, pregnancy, & development of secondary sex characteristics?
Estrogen and progesterone
The anterior pituitary gland releases which 2 hormones which causes the ovary to respond?
FSH (follicle-stimulating hormone) and LH (luteinizing hormone)
Menstruation is the casting away of what 3 things from the uterus as what sheds?
Blood, tissue, and debris. Endometrium .
On average, how long does the menstruation cycle last?
28 days
What 2 cycles work together, at the same time to control the menstrual cycle?
ovarian and uterine cycle
On average, how much blood is lost during a period?
30-40 mL
Blood loss during a period contributes to what 2 things?
Low iron stores & anemia
Ovarian cycle refers to changes occurring where?
Ovaries
The anterior pituitary gland releases which 2 hormones which causes the ovary to respond?
FSH (follicle-stimulating hormone) and LH (luteinizing hormone)
The Luteal phase of the Ovarian cycle is controlled by which hormone and covers which days of the cycle?
LH (Luteinizing Hormone) and 15-28 days
The job of FSH is to what?
Is to ‘select’ the immature follicle & develop it and mature the ovum inside of it.
Once the ovum matures throughout the first 14 days, it begins to secrete what hormone?
Estrogen.
Once estrogen reaches the anterior pituitary gland, it triggers a surge of what hormone, which triggers what?
LH (luteinizing hormone), triggers ovulation.
LH remains slightly elevated after ovulation during which days to maintain what, now called a ____ _____?
Days 15-28. To maintain the empty follicle. Corpus luteum.
After ovulation, an empty follicle begins to secrete what to support a potential pregnancy?
Progesterone
